Small question about bridging and arp

[Ruslan Ermilov]

On Thu, Mar 18, 2004 at 01:12:22PM -0500, Chuck Swiger wrote:
> Juan Rodriguez Hervella wrote:
> >If I do a bridge between xl0 and xl1, can the IP address
> >configured on xl1 answer ARP-requests that come from the
> >LAN the xl0 is connected ? Does this make sense ?
> 
> Yes, it should.  Bridging basicly treats xl0 and xl1 as being on the same 
> physical network and an ARP request for an IP used by one of the two 
> interfaces should be answered regardless of where it came from.
> 
One typically also sets net.link.ether.inet.log_arp_wrong_iface=0,
to avoid annoying kernel messages in such a setup.  (See the arp(4)
manpage for details.)


Cheers,
-- 
Ruslan Ermilov
FreeBSD committer
ru at FreeBSD.org
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